CVE-2025-68283

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Boundary checks are\nadded to validate these against map->max_osd.\n\n[ idryomov: drop BUG_ON in ceph_get_primary_affinity(), minor cosmetic\n edits ]"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:N - An attacker-controlled Ceph monitor or OSD can deliver a crafted CEPH_MSG_OSD_MAP over TCP to an active kernel CephFS or RBD client.\nAC:L - The attacker controls both map->max_osd and the decoded OSD index, making the BUG_ON reliably reachable without a race or unpredictable condition.\nPR:N - The default legacy messenger monitor path dispatches OSD-map messages before Ceph authentication completes, so an attacker controlling the selected endpoint needs no credentials.\nUI:N - An active Ceph client automatically receives and applies map updates without any user action at exploitation time.\nS:U - The failure occurs within the host kernel and does not cross a separate security authority such as a hypervisor boundary.\nC:N - The BUG_ON executes before the invalid index is used for an out-of-bounds access, providing no information-disclosure primitive.\nI:N - The vulnerable paths terminate at BUG_ON before performing an out-of-bounds write, so the defect does not provide memory corruption or code execution.\nA:H - The crafted index triggers a kernel BUG, which can panic or reboot the host or leave the Ceph workqueue and locked subsystem unusable."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ceph/osdmap.c"], "versions": [{"version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "57f5fbae9f1024aba17ff75e00433324115c548a", "status": "affected", "versionType": "git"}, {"version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "becc488a4d864db338ebd4e313aa3c77da24b604", "status": "affected", "versionType": "git"}, {"version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d", "status": "affected", "versionType": "git"}, {"version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "b4368b7f97014e1015445d61abd0b27c4c6e8424", "status": "affected", "versionType": "git"}, {"version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "lessThan": "ec3797f043756a94ea2d0f106022e14ac4946c02", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ceph/osdmap.c"], "versions": [{"version": "2.6.34", "status": "affected"}, {"version": "0", "lessThan": "2.6.34", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.159", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.119", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.61", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.11", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.1.159"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.6.119"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.12.61"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.17.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/57f5fbae9f1024aba17ff75e00433324115c548a"}, {"url": "https://git.kernel.org/stable/c/becc488a4d864db338ebd4e313aa3c77da24b604"}, {"url": "https://git.kernel.org/stable/c/e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d"}, {"url": "https://git.kernel.org/stable/c/b4368b7f97014e1015445d61abd0b27c4c6e8424"}, {"url": "https://git.kernel.org/stable/c/ec3797f043756a94ea2d0f106022e14ac4946c02"}], "title": "libceph: replace BUG_ON with bounds check for map->max_osd", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-68283", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T22:00:41.515317Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T22:02:48.629Z"}}]}}

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Boundary checks are\nadded to validate these against map->max_osd.\n\n[ idryomov: drop BUG_ON in ceph_get_primary_affinity(), minor cosmetic\n edits ]"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.159", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.119", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.61", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.17.11", "versionStartIncluding": "2.6.34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18", "versionStartIncluding": "2.6.34"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:10:36.982Z"}}}, "cveMetadata": {"cveId": "CVE-2025-68283", "state": "PUBLISHED", "dateUpdated": "2026-10-15T22:02:48.629Z", "dateReserved": "2025-12-16T14:48:05.291Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-12-16T15:06:05.355Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/ceph/osdmap.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "57f5fbae9f1024aba17ff75e00433324115c548a", "status": "affected", "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "versionType": "git"}, {"lessThan": "becc488a4d864db338ebd4e313aa3c77da24b604", "status": "affected", "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "versionType": "git"}, {"lessThan": "e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d", "status": "affected", "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "versionType": "git"}, {"lessThan": "b4368b7f97014e1015445d61abd0b27c4c6e8424", "status": "affected", "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "versionType": "git"}, {"lessThan": "ec3797f043756a94ea2d0f106022e14ac4946c02", "status": "affected", "version": "f24e9980eb860d8600cbe5ef3d2fd9295320d229", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/ceph/osdmap.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.34"}, {"lessThan": "2.6.34", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.159", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.119", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.61", "versionType": "semver"}, {"lessThanOrEqual": "6.17.*", "status": "unaffected", "version": "6.17.11", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.18", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: replace BUG_ON with bounds check for map->max_osd\n\nOSD indexes come from untrusted network packets. Boundary checks are\nadded to validate these against map->max_osd.\n\n[ idryomov: drop BUG_ON in ceph_get_primary_affinity(), minor cosmetic\n edits ]"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nlibceph: reemplazar BUG_ON con una comprobaci\u00f3n de l\u00edmites para map -> max_osd\n\nLos \u00edndices OSD provienen de paquetes de red no confiables. Se a\u00f1aden comprobaciones de l\u00edmites para validarlos contra map -> max_osd.\n\n[ idryomov: eliminar BUG_ON en ceph_get_primary_affinity(), ediciones cosm\u00e9ticas menores ]"}], "id": "CVE-2025-68283", "lastModified": "2026-10-15T22:19:11.460", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-68283", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T22:00:41.515317Z", "version": "2.0.3"}}]}, "published": "2025-12-16T16:16:07.080", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/57f5fbae9f1024aba17ff75e00433324115c548a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b4368b7f97014e1015445d61abd0b27c4c6e8424"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/becc488a4d864db338ebd4e313aa3c77da24b604"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e67e3be690f5f7e3b031cf29e8d91e6d02a8e30d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ec3797f043756a94ea2d0f106022e14ac4946c02"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: libceph: replace BUG_ON with bounds check for map->max_osd", "id": "2422800", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2422800"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-68283", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68283\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68283\nhttps://lore.kernel.org/linux-cve-announce/2025121637-CVE-2025-68283-77dd@gregkh/T"], "threat_severity": "Important"}

{}